The Eaton Fuller K-3753 or K3753 Master Rebuild Kit covers a complete overhaul of RTX-14715, RTX-15715, RTXF-14715, and RTXF-15715 series transmissions. The kit includes all major wear and replacement components needed to restore the unit: input shaft bearing (4308451), main case countershaft front bearings (4308397, qty 2), reverse gear idler shaft bearings (4308403, qty 2), a range slave valve assembly (A-5000), low synchronizer assembly (A-7254), auxiliary direct synchronizer assembly (A-7331), main drive gear (20458), mainshaft gear (20377), countershaft gears (4305661, qty 2), sliding clutch (20323), front bearing cover (20550), an O-ring kit (K-2054), gasket kit (K-2061), oil seal with slinger (K-2262), shim kit (K-2805), sleeve kit (K-1969), air hose assemblies, fittings, washers, snap rings, and hardware. Call us to confirm proper fit for your specific application.
Features
Fits RTX-14715, RTX-15715, RTXF-14715, and RTXF-15715 Eaton Fuller transmissions
Includes input shaft bearing (4308451), front countershaft bearings (4308397 x2), and idler shaft bearings (4308403 x2)
Range slave valve assembly (A-5000) and air filter/regulator assembly (A-5454) included
Low synchronizer (A-7254) and auxiliary direct synchronizer (A-7331) assemblies included
Main drive gear (20458), mainshaft gear (20377), and countershaft gears (4305661 x2) included
O-ring kit (K-2054), gasket kit (K-2061), oil seal with slinger (K-2262), and shim kit (K-2805) all included
